Shared ground
These closing verses present a brief “after-action” report. Abijah follows up the battlefield victory by pressing into Jeroboam’s territory and taking specific towns, highlighted by Bethel and its dependent settlements (2 Chronicles 13:19). The narrator then contrasts the two kings: Jeroboam fails to recover strength, while Abijah “grew mighty” and is pictured as politically secure through territorial gains and a large household.
The passage also frames events in a God-centered way. Jeroboam’s decline ends with a direct claim that Yahweh “struck him” and that he died as a result. Finally, the account closes with a notice that more information about Abijah’s deeds, conduct, and sayings was recorded elsewhere (the “commentary of the prophet Iddo”).
Where interpretation differs
What “Yahweh struck him” means. Some read this as a specific, possibly sudden physical affliction (an illness or a decisive blow that leads to death). Others take it more broadly as God bringing Jeroboam down through unfolding political and military loss, with death as the final outcome.
How to read the town list. Some take the town names as a straightforward territorial report of real border changes. Others think such lists can function as a summary-style way of saying “Abijah gained ground,” even if later control of those places could be contested.
What “recover strength” refers to. It may point mainly to military capacity, but it could also include political stability and personal vigor. The text itself does not specify which aspect is primary.
Why the disagreement exists
The key phrases are brief and allow more than one plausible scenario without giving details (no description of the “strike,” no timeline of Jeroboam’s decline, and no explanation of how long the captured towns stayed under Judah’s control). The narrator is more interested in the overall trajectory—one king fading, the other consolidating—than in medical or administrative specifics.
What this passage clearly contributes
It reinforces the Chronicler’s pattern of summarizing reigns with (1) concrete outcomes (cities taken), (2) a theological verdict embedded in the narration (Yahweh’s action against Jeroboam), (3) a snapshot of strength and continuity (Abijah’s “might” expressed through family and dynastic prospects), and (4) a pointer to additional sources (Iddo’s record) to signal selectivity and wider documentation.